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Finding the Fourth Proportional to 368,148.01, 552,228.93 and 115,422.90

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Solution

The fourth proportional to 368,148.01, 552,228.93 and 115,422.90 is: 173,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,148.01 : 552,228.93 = 115,422.90 : x
  2. Step 2: Convert to fraction form
    368,148.01/552,228.93 = 115,422.90/x
  3. Step 3: Cross multiply
    368,148.01x = 552,228.93 × 115,422.90
  4. Step 4: Simplify right side
    368,148.01x = 63,739,864,371.41
  5. Step 5: Solve for x
    x = 63,739,864,371.41/368,148.01
  6. Step 6: Final answer
    x = 173,136.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.